247959520

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9871}}^1$

素因数の和:10043

約数の個数: 48

約数和(自身を含む): 589595328

約数和(自身を除く): 341635808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 9871, 12560, 19742, 25120, 39484, 49355, 78968, 98710, 157936, 197420, 315872, 394840, 789680, 1549747, 1579360, 3099494, 6198988, 7748735, 12397976, 15497470, 24795952, 30994940, 49591904, 61989880, 123979760, 247959520]

約数ペア:

[(1, 247959520), (2, 123979760), (4, 61989880), (5, 49591904), (8, 30994940), (10, 24795952), (16, 15497470), (20, 12397976), (32, 7748735), (40, 6198988), (80, 3099494), (157, 1579360), (160, 1549747), (314, 789680), (628, 394840), (785, 315872), (1256, 197420), (1570, 157936), (2512, 98710), (3140, 78968), (5024, 49355), (6280, 39484), (9871, 25120), (12560, 19742)]